Finding the Fourth Proportional to 243,443.61, 335,945.48 and 133,057.76

Step by Step Solution

1. Step 1: Write the proportion equation
   243,443.61 : 335,945.48 = 133,057.76 : x
2. Step 2: Convert to fraction form
   243,443.61/335,945.48 = 133,057.76/x
3. Step 3: Cross multiply
   243,443.61x = 335,945.48 × 133,057.76
4. Step 4: Simplify right side
   243,443.61x = 44,700,150,705.91
5. Step 5: Solve for x
   x = 44,700,150,705.91/243,443.61
6. Step 6: Final answer
   x = 183,616.04